Crystal Vision
Trouble shooting
Indigo PSU Manual R1.1
12
16/06/2010
3 Trouble shooting
Reading LED status and active display messages
There are a number of two-colour LEDs on an active or passive front panel, with
yellow/green indicating a normal condition and red an abnormal condition.
Example-The Indigo 2/2A/2S LEDs
The following LED status indications and/or Indigo display messages may be seen:
LED
Colour
Indigo dispay
message
Notes
Front Fan
Unlit
Yell/Grn
Red
None
None
Front fan speed low
Quiet mode/Door open
Normal operation
Change the panel fan
Indigo 4, maybe upper or lower fan
PSU Fan
Yell/Grn
Red
None
Psu fan speed low
Normal operation
Change PSU fan
Indigo 4, maybe upper or lower fan
PSU
(Indigo 1)
Yell/Grn
Red
None
PSU fault
Normal operation
Change PSU
Upper PSU
(Indigo 2)
Unlit
Yell/Grn
Red
None
None
Upper PSU fault
No upper PSU detected
Normal operation
Change upper PSU, check supply,
change upper inlet fuse.
Lower PSU
(Indigo 2)
Unlit
Yell/Grn
Red
None
None
Lower PSU fault,
No lower PSU detected
Normal operation
Change lower PSU, check supply,
change lower inlet fuse.
PSU 1
Unlit
Yell/Grn
Red
None
None
lower PSU fault
No PSU 1 detected
Normal operation
Change PSU 1, check supply, change
lower inlet fuse.
PSU 2
Unlit
None
No PSU 2 detected